Eupseudosoma

Grote, 1865

snowy eupseudosoma (E. involutum)

Eupseudosoma is a of in the Erebidae, erected by Augustus Radcliffe Grote in 1865. The genus contains several distributed across the Americas, with Eupseudosoma involutum (snowy eupseudosoma) being the most widespread and well-known. Some species are significant defoliators of Eucalyptus and other plants.

Pronunciation

How to pronounce Eupseudosoma: /juːpˌsjuːdoʊˈsoʊmə/

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Habitat

Eucalyptus forests and plantations (documented for E. aberrans); broader range likely given distribution from southern United States to southern South America.

Distribution

Americas: southern United States through South America to southern South America. Individual have more restricted ranges within this broad distribution.

Diet

of E. aberrans and E. involutum have been recorded feeding on Diospyros, Eucalyptus, Eugenia, and Psidium. E. aberrans specifically identified as a eucalyptus defoliator.

Host Associations

Trichospilus diatraeae - Eupseudosoma involuta and E. aberrans serve as for this eulophid

Life Cycle

with , larval, pupal, and stages. are parasitized by Trichospilus diatraeae in at least two .

Ecological Role

Herbivorous defoliator; for . E. aberrans functions as a pest of eucalyptus plantations.

Human Relevance

E. aberrans is a documented pest of eucalyptus plantations, prompting studies using Trichospilus diatraeae.

More Details

Taxonomic Note

Formerly classified in , now placed in Erebidae (Arctiinae) following molecular phylogenetic revisions of .

Species Count

At least four accepted : E. aberrans, E. agramma, E. grandis, and E. involutum; E. larissa may be valid. Two former species (E. bifasciata, E. eurygania) have been reassigned.